Home / 5,011.42-7,506.12-4,131.91

Finding the Fourth Proportional to 5,011.42, 7,506.12 and 4,131.91

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Solution

The fourth proportional to 5,011.42, 7,506.12 and 4,131.91 is: 6,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.42 : 7,506.12 = 4,131.91 : x
  2. Step 2: Convert to fraction form
    5,011.42/7,506.12 = 4,131.91/x
  3. Step 3: Cross multiply
    5,011.42x = 7,506.12 × 4,131.91
  4. Step 4: Simplify right side
    5,011.42x = 31,014,613.92
  5. Step 5: Solve for x
    x = 31,014,613.92/5,011.42
  6. Step 6: Final answer
    x = 6,188.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.